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media: rcar-vin: Move pm_runtime_{get,put} out of helpers

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The helpers rvin_power_{on,off} deal with both VIN and the parallel
subdevice power. This makes it hard to merge the Gen2 and Gen3
open/release functions. Move the VIN power handling directly to the
open/release functions to prepare for the merge.

Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Reviewed-by: Ulrich Hecht <uli+renesas@fpond.eu>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
This commit is contained in:
Niklas Söderlund 2019-06-12 19:45:44 -04:00 committed by Mauro Carvalho Chehab
parent 4e4ef86f52
commit 2a18fbec1d
1 changed files with 21 additions and 14 deletions
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35
drivers/media/platform/rcar-vin/rcar-v4l2.c
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@ -754,8 +754,6 @@ static int rvin_power_on(struct rvin_dev *vin)
int ret;
struct v4l2_subdev *sd = vin_to_source(vin);
pm_runtime_get_sync(vin->v4l2_dev.dev);
ret = v4l2_subdev_call(sd, core, s_power, 1);
if (ret < 0 && ret != -ENOIOCTLCMD && ret != -ENODEV)
return ret;
@ -768,9 +766,6 @@ static int rvin_power_off(struct rvin_dev *vin)
struct v4l2_subdev *sd = vin_to_source(vin);
ret = v4l2_subdev_call(sd, core, s_power, 0);
pm_runtime_put(vin->v4l2_dev.dev);
if (ret < 0 && ret != -ENOIOCTLCMD && ret != -ENODEV)
return ret;
@ -796,26 +791,36 @@ static int rvin_open(struct file *file)
struct rvin_dev *vin = video_drvdata(file);
int ret;
ret = pm_runtime_get_sync(vin->dev);
if (ret < 0)
return ret;
ret = mutex_lock_interruptible(&vin->lock);
if (ret)
return ret;
goto err_pm;
file->private_data = vin;
ret = v4l2_fh_open(file);
if (ret)
goto unlock;
goto err_unlock;
if (!v4l2_fh_is_singular_file(file))
goto unlock;
if (rvin_initialize_device(file)) {
v4l2_fh_release(file);
ret = -ENODEV;
if (v4l2_fh_is_singular_file(file)) {
ret = rvin_initialize_device(file);
if (ret)
goto err_open;
}
unlock:
mutex_unlock(&vin->lock);
return 0;
err_open:
v4l2_fh_release(file);
err_unlock:
mutex_unlock(&vin->lock);
err_pm:
pm_runtime_put(vin->dev);
return ret;
}
@ -842,6 +847,8 @@ static int rvin_release(struct file *file)
mutex_unlock(&vin->lock);
pm_runtime_put(vin->dev);
return ret;
}